diff --git a/plugin/src/main/java/org/openrewrite/gradle/isolated/DefaultProjectParser.java b/plugin/src/main/java/org/openrewrite/gradle/isolated/DefaultProjectParser.java
index fd1ee6f1d..8afe696f9 100644
--- a/plugin/src/main/java/org/openrewrite/gradle/isolated/DefaultProjectParser.java
+++ b/plugin/src/main/java/org/openrewrite/gradle/isolated/DefaultProjectParser.java
@@ -273,7 +273,7 @@ public Collection<Path> listSources() {
         JavaPluginConvention javaConvention = project.getConvention().findPlugin(JavaPluginConvention.class);
         if (javaConvention != null) {
             for (SourceSet sourceSet : javaConvention.getSourceSets()) {
-                sourceSet.getAllJava().getFiles().stream()
+                sourceSet.getAllSource().getFiles().stream()
                         .filter(it -> it.isFile() && (it.getName().endsWith(".java") || it.getName().endsWith(".kt")))
                         .map(File::toPath)
                         .map(Path::toAbsolutePath)